20654539

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:402

約数の個数: 16

約数和(自身を含む): 22498560

約数和(自身を除く): 1844021

約数列:

[1, 19, 61, 71, 251, 1159, 1349, 4331, 4769, 15311, 17821, 82289, 290909, 338599, 1087081, 20654539]

約数ペア:

[(1, 20654539), (19, 1087081), (61, 338599), (71, 290909), (251, 82289), (1159, 17821), (1349, 15311), (4331, 4769)]